are various things on sale, so you can choose ______ interests you.

Thank you for offering a great deal of _________ to me in my research.—It was my great pleasure.

We could have asked Mr. Zhang for help. Heis caring and considerate.—– I_______that. A long time _______.

Research universities have to keep up with the latest computer and scientific hardware __________ price

Why do you always go to Lanzhou University on weekends— Because there’re lots of great speakers I can practice English ________ in the English Corner there.